GNU bug report logs - #22828
25.1.50; Mark symlinks whose target matches regexp

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From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Tino Calancha <f92capac <at> gmail.com>
Cc: 22828 <at> debbugs.gnu.org
Subject: bug#22828: 25.1.50; Mark symlinks whose target matches regexp
Date: Sun, 28 Feb 2016 16:06:34 +1030

Tino Calancha <f92capac <at> gmail.com> writes:

> dired-mark-files-regexp checks the NAME of a symbolic link.
> Its useful to introduce one function which look for a match
> in the TARGET of the symbolic links.
> Such function could be bound to '%@'.

I'm not sure whether that's generally useful enough to include in
dired...  I can't say that I remember ever wanting something like that.


[...]

> +    (dired-mark-if
> +     (and (looking-at-p dired-re-sym)
> +		  (not (looking-at-p dired-re-dot))
> +		  (not (eolp))			; empty line
> +		  
> +		  (let* ((eol (line-end-position))
> +				 (fn (save-excursion
> +					   (search-forward " -> " eol t)
> +					   (buffer-substring-no-properties (point) eol))))
> +			(and fn (string-match-p regexp fn))))
> +			"matching symbolic link")))

And this implementation also seems quite fragile.  Will symlinks always
be presented as " -> "?  And can " -> " be a valid part of a file name.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

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